slate-dom
Version:
Tools for building completely customizable richtext editors with React.
2,565 lines • 102 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('slate')) :
typeof define === 'function' && define.amd ? define(['exports', 'slate'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.SlateDom = {}, global.Slate));
})(this, (function (exports, slate) { 'use strict';
function unwrapExports (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var arrayLikeToArray = createCommonjsModule(function (module) {
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
module.exports = _arrayLikeToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(arrayLikeToArray);
var arrayWithoutHoles = createCommonjsModule(function (module) {
function _arrayWithoutHoles(arr) {
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module.exports = _arrayWithoutHoles, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(arrayWithoutHoles);
var iterableToArray = createCommonjsModule(function (module) {
function _iterableToArray(iter) {
if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}
module.exports = _iterableToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(iterableToArray);
var unsupportedIterableToArray = createCommonjsModule(function (module) {
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen);
}
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});
unwrapExports(unsupportedIterableToArray);
var nonIterableSpread = createCommonjsModule(function (module) {
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
module.exports = _nonIterableSpread, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(nonIterableSpread);
var toConsumableArray = createCommonjsModule(function (module) {
function _toConsumableArray(arr) {
return arrayWithoutHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableSpread();
}
module.exports = _toConsumableArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _toConsumableArray = unwrapExports(toConsumableArray);
var arrayWithHoles = createCommonjsModule(function (module) {
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
module.exports = _arrayWithHoles, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(arrayWithHoles);
var iterableToArrayLimit = createCommonjsModule(function (module) {
function _iterableToArrayLimit(r, l) {
var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"];
if (null != t) {
var e,
n,
i,
u,
a = [],
f = !0,
o = !1;
try {
if (i = (t = t.call(r)).next, 0 === l) {
if (Object(t) !== t) return;
f = !1;
} else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0);
} catch (r) {
o = !0, n = r;
} finally {
try {
if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return;
} finally {
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}
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}
}
module.exports = _iterableToArrayLimit, module.exports.__esModule = true, module.exports["default"] = module.exports;
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unwrapExports(iterableToArrayLimit);
var nonIterableRest = createCommonjsModule(function (module) {
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
module.exports = _nonIterableRest, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(nonIterableRest);
var slicedToArray = createCommonjsModule(function (module) {
function _slicedToArray(arr, i) {
return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();
}
module.exports = _slicedToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _slicedToArray = unwrapExports(slicedToArray);
function _createForOfIteratorHelper$2(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray$2(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray$2(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray$2(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray$2(o, minLen); }
function _arrayLikeToArray$2(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
/**
* Types.
*/
// COMPAT: This is required to prevent TypeScript aliases from doing some very
// weird things for Slate's types with the same name as globals. (2019/11/27)
// https://github.com/microsoft/TypeScript/issues/35002
var DOMNode = globalThis.Node;
var DOMElement = globalThis.Element;
var DOMText = globalThis.Text;
var DOMRange = globalThis.Range;
var DOMSelection = globalThis.Selection;
var DOMStaticRange = globalThis.StaticRange;
/**
* Returns the host window of a DOM node
*/
var getDefaultView = function getDefaultView(value) {
return value && value.ownerDocument && value.ownerDocument.defaultView || null;
};
/**
* Check if a DOM node is a comment node.
*/
var isDOMComment = function isDOMComment(value) {
return isDOMNode(value) && value.nodeType === 8;
};
/**
* Check if a DOM node is an element node.
*/
var isDOMElement = function isDOMElement(value) {
return isDOMNode(value) && value.nodeType === 1;
};
/**
* Check if a value is a DOM node.
*/
var isDOMNode = function isDOMNode(value) {
var window = getDefaultView(value);
return !!window && value instanceof window.Node;
};
/**
* Check if a value is a DOM selection.
*/
var isDOMSelection = function isDOMSelection(value) {
var window = value && value.anchorNode && getDefaultView(value.anchorNode);
return !!window && value instanceof window.Selection;
};
/**
* Check if a DOM node is an element node.
*/
var isDOMText = function isDOMText(value) {
return isDOMNode(value) && value.nodeType === 3;
};
/**
* Checks whether a paste event is a plaintext-only event.
*/
var isPlainTextOnlyPaste = function isPlainTextOnlyPaste(event) {
return event.clipboardData && event.clipboardData.getData('text/plain') !== '' && event.clipboardData.types.length === 1;
};
/**
* Normalize a DOM point so that it always refers to a text node.
*/
var normalizeDOMPoint = function normalizeDOMPoint(domPoint) {
var _domPoint = _slicedToArray(domPoint, 2),
node = _domPoint[0],
offset = _domPoint[1];
// If it's an element node, its offset refers to the index of its children
// including comment nodes, so try to find the right text child node.
if (isDOMElement(node) && node.childNodes.length) {
var isLast = offset === node.childNodes.length;
var index = isLast ? offset - 1 : offset;
// If the editable child found is in front of input offset, we instead seek to its end
var _getEditableChildAndI = getEditableChildAndIndex(node, index, isLast ? 'backward' : 'forward');
var _getEditableChildAndI2 = _slicedToArray(_getEditableChildAndI, 2);
node = _getEditableChildAndI2[0];
index = _getEditableChildAndI2[1];
isLast = index < offset;
// If the node has children, traverse until we have a leaf node. Leaf nodes
// can be either text nodes, or other void DOM nodes.
while (isDOMElement(node) && node.childNodes.length) {
var i = isLast ? node.childNodes.length - 1 : 0;
node = getEditableChild(node, i, isLast ? 'backward' : 'forward');
}
// Determine the new offset inside the text node.
offset = isLast && node.textContent != null ? node.textContent.length : 0;
}
// Return the node and offset.
return [node, offset];
};
/**
* Determines whether the active element is nested within a shadowRoot
*/
var hasShadowRoot = function hasShadowRoot(node) {
var parent = node && node.parentNode;
while (parent) {
if (parent.toString() === '[object ShadowRoot]') {
return true;
}
parent = parent.parentNode;
}
return false;
};
/**
* Get the nearest editable child and index at `index` in a `parent`, preferring
* `direction`.
*/
var getEditableChildAndIndex = function getEditableChildAndIndex(parent, index, direction) {
var childNodes = parent.childNodes;
var child = childNodes[index];
var i = index;
var triedForward = false;
var triedBackward = false;
// While the child is a comment node, or an element node with no children,
// keep iterating to find a sibling non-void, non-comment node.
while (isDOMComment(child) || isDOMElement(child) && child.childNodes.length === 0 || isDOMElement(child) && child.getAttribute('contenteditable') === 'false') {
if (triedForward && triedBackward) {
break;
}
if (i >= childNodes.length) {
triedForward = true;
i = index - 1;
direction = 'backward';
continue;
}
if (i < 0) {
triedBackward = true;
i = index + 1;
direction = 'forward';
continue;
}
child = childNodes[i];
index = i;
i += direction === 'forward' ? 1 : -1;
}
return [child, index];
};
/**
* Get the nearest editable child at `index` in a `parent`, preferring
* `direction`.
*/
var getEditableChild = function getEditableChild(parent, index, direction) {
var _getEditableChildAndI3 = getEditableChildAndIndex(parent, index, direction),
_getEditableChildAndI4 = _slicedToArray(_getEditableChildAndI3, 1),
child = _getEditableChildAndI4[0];
return child;
};
/**
* Get a plaintext representation of the content of a node, accounting for block
* elements which get a newline appended.
*
* The domNode must be attached to the DOM.
*/
var getPlainText = function getPlainText(domNode) {
var text = '';
if (isDOMText(domNode) && domNode.nodeValue) {
return domNode.nodeValue;
}
if (isDOMElement(domNode)) {
for (var _i = 0, _Array$from = Array.from(domNode.childNodes); _i < _Array$from.length; _i++) {
var childNode = _Array$from[_i];
text += getPlainText(childNode);
}
var display = getComputedStyle(domNode).getPropertyValue('display');
if (display === 'block' || display === 'list' || domNode.tagName === 'BR') {
text += '\n';
}
}
return text;
};
/**
* Get x-slate-fragment attribute from data-slate-fragment
*/
var catchSlateFragment = /data-slate-fragment="(.+?)"/m;
var getSlateFragmentAttribute = function getSlateFragmentAttribute(dataTransfer) {
var htmlData = dataTransfer.getData('text/html');
var _ref = htmlData.match(catchSlateFragment) || [],
_ref2 = _slicedToArray(_ref, 2),
fragment = _ref2[1];
return fragment;
};
/**
* Get the dom selection from Shadow Root if possible, otherwise from the document
*/
var getSelection = function getSelection(root) {
if (root.getSelection != null) {
return root.getSelection();
}
return document.getSelection();
};
/**
* Check whether a mutation originates from a editable element inside the editor.
*/
var isTrackedMutation = function isTrackedMutation(editor, mutation, batch) {
var target = mutation.target;
if (isDOMElement(target) && target.matches('[contentEditable="false"]')) {
return false;
}
var _DOMEditor$getWindow = DOMEditor.getWindow(editor),
document = _DOMEditor$getWindow.document;
if (document.contains(target)) {
return DOMEditor.hasDOMNode(editor, target, {
editable: true
});
}
var parentMutation = batch.find(function (_ref3) {
var addedNodes = _ref3.addedNodes,
removedNodes = _ref3.removedNodes;
var _iterator = _createForOfIteratorHelper$2(addedNodes),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var node = _step.value;
if (node === target || node.contains(target)) {
return true;
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
var _iterator2 = _createForOfIteratorHelper$2(removedNodes),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var _node = _step2.value;
if (_node === target || _node.contains(target)) {
return true;
}
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
});
if (!parentMutation || parentMutation === mutation) {
return false;
}
// Target add/remove is tracked. Track the mutation if we track the parent mutation.
return isTrackedMutation(editor, parentMutation, batch);
};
/**
* Retrieves the deepest active element in the DOM, considering nested shadow DOMs.
*/
var getActiveElement = function getActiveElement() {
var activeElement = document.activeElement;
while ((_activeElement = activeElement) !== null && _activeElement !== void 0 && _activeElement.shadowRoot && (_activeElement$shadow = activeElement.shadowRoot) !== null && _activeElement$shadow !== void 0 && _activeElement$shadow.activeElement) {
var _activeElement, _activeElement$shadow, _activeElement2;
activeElement = (_activeElement2 = activeElement) === null || _activeElement2 === void 0 || (_activeElement2 = _activeElement2.shadowRoot) === null || _activeElement2 === void 0 ? void 0 : _activeElement2.activeElement;
}
return activeElement;
};
/**
* @returns `true` if `otherNode` is before `node` in the document; otherwise, `false`.
*/
var isBefore = function isBefore(node, otherNode) {
return Boolean(node.compareDocumentPosition(otherNode) & DOMNode.DOCUMENT_POSITION_PRECEDING);
};
/**
* @returns `true` if `otherNode` is after `node` in the document; otherwise, `false`.
*/
var isAfter = function isAfter(node, otherNode) {
return Boolean(node.compareDocumentPosition(otherNode) & DOMNode.DOCUMENT_POSITION_FOLLOWING);
};
var _navigator$userAgent$, _navigator$userAgent$2;
var IS_IOS = typeof navigator !== 'undefined' && typeof window !== 'undefined' && /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
var IS_APPLE = typeof navigator !== 'undefined' && /Mac OS X/.test(navigator.userAgent);
var IS_ANDROID = typeof navigator !== 'undefined' && /Android/.test(navigator.userAgent);
var IS_FIREFOX = typeof navigator !== 'undefined' && /^(?!.*Seamonkey)(?=.*Firefox).*/i.test(navigator.userAgent);
var IS_WEBKIT = typeof navigator !== 'undefined' && /AppleWebKit(?!.*Chrome)/i.test(navigator.userAgent);
// "modern" Edge was released at 79.x
var IS_EDGE_LEGACY = typeof navigator !== 'undefined' && /Edge?\/(?:[0-6][0-9]|[0-7][0-8])(?:\.)/i.test(navigator.userAgent);
var IS_CHROME = typeof navigator !== 'undefined' && /Chrome/i.test(navigator.userAgent);
// Native `beforeInput` events don't work well with react on Chrome 75
// and older, Chrome 76+ can use `beforeInput` though.
var IS_CHROME_LEGACY = typeof navigator !== 'undefined' && /Chrome?\/(?:[0-7][0-5]|[0-6][0-9])(?:\.)/i.test(navigator.userAgent);
var IS_ANDROID_CHROME_LEGACY = IS_ANDROID && typeof navigator !== 'undefined' && /Chrome?\/(?:[0-5]?\d)(?:\.)/i.test(navigator.userAgent);
// Firefox did not support `beforeInput` until `v87`.
var IS_FIREFOX_LEGACY = typeof navigator !== 'undefined' && /^(?!.*Seamonkey)(?=.*Firefox\/(?:[0-7][0-9]|[0-8][0-6])(?:\.)).*/i.test(navigator.userAgent);
// UC mobile browser
var IS_UC_MOBILE = typeof navigator !== 'undefined' && /.*UCBrowser/.test(navigator.userAgent);
// Wechat browser (not including mac wechat)
var IS_WECHATBROWSER = typeof navigator !== 'undefined' && /.*Wechat/.test(navigator.userAgent) && !/.*MacWechat/.test(navigator.userAgent) && (
// avoid lookbehind (buggy in safari < 16.4)
!IS_CHROME || IS_CHROME_LEGACY); // wechat and low chrome is real wechat
// Check if DOM is available as React does internally.
// https://github.com/facebook/react/blob/master/packages/shared/ExecutionEnvironment.js
var CAN_USE_DOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined');
// Check if the browser is Safari and older than 17
typeof navigator !== 'undefined' && /Safari/.test(navigator.userAgent) && /Version\/(\d+)/.test(navigator.userAgent) && ((_navigator$userAgent$ = navigator.userAgent.match(/Version\/(\d+)/)) !== null && _navigator$userAgent$ !== void 0 && _navigator$userAgent$[1] ? parseInt((_navigator$userAgent$2 = navigator.userAgent.match(/Version\/(\d+)/)) === null || _navigator$userAgent$2 === void 0 ? void 0 : _navigator$userAgent$2[1], 10) < 17 : false);
// COMPAT: Firefox/Edge Legacy don't support the `beforeinput` event
// Chrome Legacy doesn't support `beforeinput` correctly
var HAS_BEFORE_INPUT_SUPPORT = (!IS_CHROME_LEGACY || !IS_ANDROID_CHROME_LEGACY) && !IS_EDGE_LEGACY &&
// globalThis is undefined in older browsers
typeof globalThis !== 'undefined' && globalThis.InputEvent &&
// @ts-ignore The `getTargetRanges` property isn't recognized.
typeof globalThis.InputEvent.prototype.getTargetRanges === 'function';
var _typeof_1 = createCommonjsModule(function (module) {
function _typeof(o) {
"@babel/helpers - typeof";
return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
return typeof o;
} : function (o) {
return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
}, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(o);
}
module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(_typeof_1);
var toPrimitive = createCommonjsModule(function (module) {
var _typeof = _typeof_1["default"];
function _toPrimitive(input, hint) {
if (_typeof(input) !== "object" || input === null) return input;
var prim = input[Symbol.toPrimitive];
if (prim !== undefined) {
var res = prim.call(input, hint || "default");
if (_typeof(res) !== "object") return res;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (hint === "string" ? String : Number)(input);
}
module.exports = _toPrimitive, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(toPrimitive);
var toPropertyKey = createCommonjsModule(function (module) {
var _typeof = _typeof_1["default"];
function _toPropertyKey(arg) {
var key = toPrimitive(arg, "string");
return _typeof(key) === "symbol" ? key : String(key);
}
module.exports = _toPropertyKey, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(toPropertyKey);
var createClass = createCommonjsModule(function (module) {
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, toPropertyKey(descriptor.key), descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
module.exports = _createClass, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _createClass = unwrapExports(createClass);
var classCallCheck = createCommonjsModule(function (module) {
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
module.exports = _classCallCheck, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _classCallCheck = unwrapExports(classCallCheck);
var defineProperty = createCommonjsModule(function (module) {
function _defineProperty(obj, key, value) {
key = toPropertyKey(key);
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
module.exports = _defineProperty, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _defineProperty = unwrapExports(defineProperty);
/**
* An auto-incrementing identifier for keys.
*/
var n = 0;
/**
* A class that keeps track of a key string. We use a full class here because we
* want to be able to use them as keys in `WeakMap` objects.
*/
var Key = /*#__PURE__*/_createClass(function Key() {
_classCallCheck(this, Key);
_defineProperty(this, "id", void 0);
this.id = "".concat(n++);
});
/**
* Two weak maps that allow us rebuild a path given a node. They are populated
* at render time such that after a render occurs we can always backtrack.
*/
var IS_NODE_MAP_DIRTY = new WeakMap();
var NODE_TO_INDEX = new WeakMap();
var NODE_TO_PARENT = new WeakMap();
/**
* Weak maps that allow us to go between Slate nodes and DOM nodes. These
* are used to resolve DOM event-related logic into Slate actions.
*/
var EDITOR_TO_WINDOW = new WeakMap();
var EDITOR_TO_ELEMENT = new WeakMap();
var EDITOR_TO_PLACEHOLDER_ELEMENT = new WeakMap();
var ELEMENT_TO_NODE = new WeakMap();
var NODE_TO_ELEMENT = new WeakMap();
var NODE_TO_KEY = new WeakMap();
var EDITOR_TO_KEY_TO_ELEMENT = new WeakMap();
/**
* Weak maps for storing editor-related state.
*/
var IS_READ_ONLY = new WeakMap();
var IS_FOCUSED = new WeakMap();
var IS_COMPOSING = new WeakMap();
var EDITOR_TO_USER_SELECTION = new WeakMap();
/**
* Weak map for associating the context `onChange` context with the plugin.
*/
var EDITOR_TO_ON_CHANGE = new WeakMap();
/**
* Weak maps for saving pending state on composition stage.
*/
var EDITOR_TO_SCHEDULE_FLUSH = new WeakMap();
var EDITOR_TO_PENDING_INSERTION_MARKS = new WeakMap();
var EDITOR_TO_USER_MARKS = new WeakMap();
/**
* Android input handling specific weak-maps
*/
var EDITOR_TO_PENDING_DIFFS = new WeakMap();
var EDITOR_TO_PENDING_ACTION = new WeakMap();
var EDITOR_TO_PENDING_SELECTION = new WeakMap();
var EDITOR_TO_FORCE_RENDER = new WeakMap();
/**
* Symbols.
*/
var PLACEHOLDER_SYMBOL = Symbol('placeholder');
var MARK_PLACEHOLDER_SYMBOL = Symbol('mark-placeholder');
// eslint-disable-next-line no-redeclare
var DOMEditor = {
androidPendingDiffs: function androidPendingDiffs(editor) {
return EDITOR_TO_PENDING_DIFFS.get(editor);
},
androidScheduleFlush: function androidScheduleFlush(editor) {
var _EDITOR_TO_SCHEDULE_F;
(_EDITOR_TO_SCHEDULE_F = EDITOR_TO_SCHEDULE_FLUSH.get(editor)) === null || _EDITOR_TO_SCHEDULE_F === void 0 || _EDITOR_TO_SCHEDULE_F();
},
blur: function blur(editor) {
var el = DOMEditor.toDOMNode(editor, editor);
var root = DOMEditor.findDocumentOrShadowRoot(editor);
IS_FOCUSED.set(editor, false);
if (root.activeElement === el) {
el.blur();
}
},
deselect: function deselect(editor) {
var selection = editor.selection;
var root = DOMEditor.findDocumentOrShadowRoot(editor);
var domSelection = getSelection(root);
if (domSelection && domSelection.rangeCount > 0) {
domSelection.removeAllRanges();
}
if (selection) {
slate.Transforms.deselect(editor);
}
},
findDocumentOrShadowRoot: function findDocumentOrShadowRoot(editor) {
var el = DOMEditor.toDOMNode(editor, editor);
var root = el.getRootNode();
if (root instanceof Document || root instanceof ShadowRoot) {
return root;
}
return el.ownerDocument;
},
findEventRange: function findEventRange(editor, event) {
if ('nativeEvent' in event) {
event = event.nativeEvent;
}
var _event = event,
x = _event.clientX,
y = _event.clientY,
target = _event.target;
if (x == null || y == null) {
throw new Error("Cannot resolve a Slate range from a DOM event: ".concat(event));
}
var node = DOMEditor.toSlateNode(editor, event.target);
var path = DOMEditor.findPath(editor, node);
// If the drop target is inside a void node, move it into either the
// next or previous node, depending on which side the `x` and `y`
// coordinates are closest to.
if (slate.Element.isElement(node) && slate.Editor.isVoid(editor, node)) {
var rect = target.getBoundingClientRect();
var isPrev = editor.isInline(node) ? x - rect.left < rect.left + rect.width - x : y - rect.top < rect.top + rect.height - y;
var edge = slate.Editor.point(editor, path, {
edge: isPrev ? 'start' : 'end'
});
var point = isPrev ? slate.Editor.before(editor, edge) : slate.Editor.after(editor, edge);
if (point) {
var _range = slate.Editor.range(editor, point);
return _range;
}
}
// Else resolve a range from the caret position where the drop occured.
var domRange;
var _DOMEditor$getWindow = DOMEditor.getWindow(editor),
document = _DOMEditor$getWindow.document;
// COMPAT: In Firefox, `caretRangeFromPoint` doesn't exist. (2016/07/25)
if (document.caretRangeFromPoint) {
domRange = document.caretRangeFromPoint(x, y);
} else {
var position = document.caretPositionFromPoint(x, y);
if (position) {
domRange = document.createRange();
domRange.setStart(position.offsetNode, position.offset);
domRange.setEnd(position.offsetNode, position.offset);
}
}
if (!domRange) {
throw new Error("Cannot resolve a Slate range from a DOM event: ".concat(event));
}
// Resolve a Slate range from the DOM range.
var range = DOMEditor.toSlateRange(editor, domRange, {
exactMatch: false,
suppressThrow: false
});
return range;
},
findKey: function findKey(editor, node) {
var key = NODE_TO_KEY.get(node);
if (!key) {
key = new Key();
NODE_TO_KEY.set(node, key);
}
return key;
},
findPath: function findPath(editor, node) {
var path = [];
var child = node;
while (true) {
var parent = NODE_TO_PARENT.get(child);
if (parent == null) {
if (slate.Editor.isEditor(child)) {
return path;
} else {
break;
}
}
var i = NODE_TO_INDEX.get(child);
if (i == null) {
break;
}
path.unshift(i);
child = parent;
}
throw new Error("Unable to find the path for Slate node: ".concat(slate.Scrubber.stringify(node)));
},
focus: function focus(editor) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
retries: 5
};
// Return if already focused
if (IS_FOCUSED.get(editor)) {
return;
}
// Return if no dom node is associated with the editor, which means the editor is not yet mounted
// or has been unmounted. This can happen especially, while retrying to focus the editor.
if (!EDITOR_TO_ELEMENT.get(editor)) {
return;
}
// Retry setting focus if the editor has pending operations.
// The DOM (selection) is unstable while changes are applied.
// Retry until retries are exhausted or editor is focused.
if (options.retries <= 0) {
throw new Error('Could not set focus, editor seems stuck with pending operations');
}
if (editor.operations.length > 0) {
setTimeout(function () {
DOMEditor.focus(editor, {
retries: options.retries - 1
});
}, 10);
return;
}
var el = DOMEditor.toDOMNode(editor, editor);
var root = DOMEditor.findDocumentOrShadowRoot(editor);
if (root.activeElement !== el) {
// Ensure that the DOM selection state is set to the editor's selection
if (editor.selection && root instanceof Document) {
var domSelection = getSelection(root);
var domRange = DOMEditor.toDOMRange(editor, editor.selection);
domSelection === null || domSelection === void 0 || domSelection.removeAllRanges();
domSelection === null || domSelection === void 0 || domSelection.addRange(domRange);
}
// Create a new selection in the top of the document if missing
if (!editor.selection) {
slate.Transforms.select(editor, slate.Editor.start(editor, []));
}
// IS_FOCUSED should be set before calling el.focus() to ensure that
// FocusedContext is updated to the correct value
IS_FOCUSED.set(editor, true);
el.focus({
preventScroll: true
});
}
},
getWindow: function getWindow(editor) {
var window = EDITOR_TO_WINDOW.get(editor);
if (!window) {
throw new Error('Unable to find a host window element for this editor');
}
return window;
},
hasDOMNode: function hasDOMNode(editor, target) {
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var _options$editable = options.editable,
editable = _options$editable === void 0 ? false : _options$editable;
var editorEl = DOMEditor.toDOMNode(editor, editor);
var targetEl;
// COMPAT: In Firefox, reading `target.nodeType` will throw an error if
// target is originating from an internal "restricted" element (e.g. a
// stepper arrow on a number input). (2018/05/04)
// https://github.com/ianstormtaylor/slate/issues/1819
try {
targetEl = isDOMElement(target) ? target : target.parentElement;
} catch (err) {
if (err instanceof Error && !err.message.includes('Permission denied to access property "nodeType"')) {
throw err;
}
}
if (!targetEl) {
return false;
}
return targetEl.closest("[data-slate-editor]") === editorEl && (!editable || targetEl.isContentEditable ? true : typeof targetEl.isContentEditable === 'boolean' &&
// isContentEditable exists only on HTMLElement, and on other nodes it will be undefined
// this is the core logic that lets you know you got the right editor.selection instead of null when editor is contenteditable="false"(readOnly)
targetEl.closest('[contenteditable="false"]') === editorEl || !!targetEl.getAttribute('data-slate-zero-width'));
},
hasEditableTarget: function hasEditableTarget(editor, target) {
return isDOMNode(target) && DOMEditor.hasDOMNode(editor, target, {
editable: true
});
},
hasRange: function hasRange(editor, range) {
var anchor = range.anchor,
focus = range.focus;
return slate.Editor.hasPath(editor, anchor.path) && slate.Editor.hasPath(editor, focus.path);
},
hasSelectableTarget: function hasSelectableTarget(editor, target) {
return DOMEditor.hasEditableTarget(editor, target) || DOMEditor.isTargetInsideNonReadonlyVoid(editor, target);
},
hasTarget: function hasTarget(editor, target) {
return isDOMNode(target) && DOMEditor.hasDOMNode(editor, target);
},
insertData: function insertData(editor, data) {
editor.insertData(data);
},
insertFragmentData: function insertFragmentData(editor, data) {
return editor.insertFragmentData(data);
},
insertTextData: function insertTextData(editor, data) {
return editor.insertTextData(data);
},
isComposing: function isComposing(editor) {
return !!IS_COMPOSING.get(editor);
},
isFocused: function isFocused(editor) {
return !!IS_FOCUSED.get(editor);
},
isReadOnly: function isReadOnly(editor) {
return !!IS_READ_ONLY.get(editor);
},
isTargetInsideNonReadonlyVoid: function isTargetInsideNonReadonlyVoid(editor, target) {
if (IS_READ_ONLY.get(editor)) return false;
var slateNode = DOMEditor.hasTarget(editor, target) && DOMEditor.toSlateNode(editor, target);
return slate.Element.isElement(slateNode) && slate.Editor.isVoid(editor, slateNode);
},
setFragmentData: function setFragmentData(editor, data, originEvent) {
return editor.setFragmentData(data, originEvent);
},
toDOMNode: function toDOMNode(editor, node) {
var KEY_TO_ELEMENT = EDITOR_TO_KEY_TO_ELEMENT.get(editor);
var domNode = slate.Editor.isEditor(node) ? EDITOR_TO_ELEMENT.get(editor) : KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.get(DOMEditor.findKey(editor, node));
if (!domNode) {
throw new Error("Cannot resolve a DOM node from Slate node: ".concat(slate.Scrubber.stringify(node)));
}
return domNode;
},
toDOMPoint: function toDOMPoint(editor, point) {
var _Editor$node = slate.Editor.node(editor, point.path),
_Editor$node2 = _slicedToArray(_Editor$node, 1),
node = _Editor$node2[0];
var el = DOMEditor.toDOMNode(editor, node);
var domPoint;
// If we're inside a void node, force the offset to 0, otherwise the zero
// width spacing character will result in an incorrect offset of 1
if (slate.Editor["void"](editor, {
at: point
})) {
point = {
path: point.path,
offset: 0
};
}
// For each leaf, we need to isolate its content, which means filtering
// to its direct text and zero-width spans. (We have to filter out any
// other siblings that may have been rendered alongside them.)
var selector = "[data-slate-string], [data-slate-zero-width]";
var texts = Array.from(el.querySelectorAll(selector));
var start = 0;
for (var i = 0; i < texts.length; i++) {
var text = texts[i];
var domNode = text.childNodes[0];
if (domNode == null || domNode.textContent == null) {
continue;
}
var length = domNode.textContent.length;
var attr = text.getAttribute('data-slate-length');
var trueLength = attr == null ? length : parseInt(attr, 10);
var end = start + trueLength;
// Prefer putting the selection inside the mark placeholder to ensure
// composed text is displayed with the correct marks.
var nextText = texts[i + 1];
if (point.offset === end && nextText !== null && nextText !== void 0 && nextText.hasAttribute('data-slate-mark-placeholder')) {
var _nextText$textContent;
var domText = nextText.childNodes[0];
domPoint = [
// COMPAT: If we don't explicity set the dom point to be on the actual
// dom text element, chrome will put the selection behind the actual dom
// text element, causing domRange.getBoundingClientRect() calls on a collapsed
// selection to return incorrect zero values (https://bugs.chromium.org/p/chromium/issues/detail?id=435438)
// which will cause issues when scrolling to it.
domText instanceof DOMText ? domText : nextText, (_nextText$textContent = nextText.textContent) !== null && _nextText$textContent !== void 0 && _nextText$textContent.startsWith("\uFEFF") ? 1 : 0];
break;
}
if (point.offset <= end) {
var offset = Math.min(length, Math.max(0, point.offset - start));
domPoint = [domNode, offset];
break;
}
start = end;
}
if (!domPoint) {
throw new Error("Cannot resolve a DOM point from Slate point: ".concat(slate.Scrubber.stringify(point)));
}
return domPoint;
},
toDOMRange: function toDOMRange(editor, range) {
var anchor = range.anchor,
focus = range.focus;
var isBackward = slate.Range.isBackward(range);
var domAnchor = DOMEditor.toDOMPoint(editor, anchor);
var domFocus = slate.Range.isCollapsed(range) ? domAnchor : DOMEditor.toDOMPoint(editor, focus);
var window = DOMEditor.getWindow(editor);
var domRange = window.document.createRange();
var _ref = isBackward ? domFocus : domAnchor,
_ref2 = _slicedToArray(_ref, 2),
startNode = _ref2[0],
startOffset = _ref2[1];
var _ref3 = isBackward ? domAnchor : domFocus,
_ref4 = _slicedToArray(_ref3, 2),
endNode = _ref4[0],
endOffset = _ref4[1];
// A slate Point at zero-width Leaf always has an offset of 0 but a native DOM selection at
// zero-width node has an offset of 1 so we have to check if we are in a zero-width node and
// adjust the offset accordingly.
var startEl = isDOMElement(startNode) ? startNode : startNode.parentElement;
var isStartAtZeroWidth = !!startEl.getAttribute('data-slate-zero-width');
var endEl = isDOMElement(endNode) ? endNode : endNode.parentElement;
var isEndAtZeroWidth = !!endEl.getAttribute('data-slate-zero-width');
domRange.setStart(startNode, isStartAtZeroWidth ? 1 : startOffset);
domRange.setEnd(endNode, isEndAtZeroWidth ? 1 : endOffset);
return domRange;
},
toSlateNode: function toSlateNode(editor, domNode) {
var domEl = isDOMElement(domNode) ? domNode : domNode.parentElement;
if (domEl && !domEl.hasAttribute('data-slate-node')) {
domEl = domEl.closest("[data-slate-node]");
}
var node = domEl ? ELEMENT_TO_NODE.get(domEl) : null;
if (!node) {
throw new Error("Cannot resolve a Slate node from DOM node: ".concat(domEl));
}
return node;
},
toSlatePoint: function toSlatePoint(editor, domPoint, options) {
var exactMatch = options.exactMatch,
suppressThrow = options.suppressThrow,
_options$searchDirect = options.searchDirection,
searchDirection = _options$searchDirect === void 0 ? 'backward' : _options$searchDirect;
var _ref5 = exactMatch ? domPoint : normalizeDOMPoint(domPoint),
_ref6 = _slicedToArray(_ref5, 2),
nearestNode = _ref6[0],
nearestOffset = _ref6[1];
var parentNode = nearestNode.parentNode;
var textNode = null;
var offset = 0;
if (parentNode) {
var _domNode$textContent, _domNode$textContent2;
var editorEl = DOMEditor.toDOMNode(editor, editor);
var potentialVoidNode = parentNode.closest('[data-slate-void="true"]');
// Need to ensure that the closest void node is actually a void node
// within this editor, and not a void node within some parent editor. This can happen
// if this editor is within a void node of another editor ("nested editors", like in
// the "Editable Voids" example on the docs site).
var voidNode = potentialVoidNode && editorEl.contains(potentialVoidNode) ? potentialVoidNode : null;
var potentialNonEditableNode = parentNode.closest('[contenteditable="false"]');
var nonEditableNode = potentialNonEditableNode && editorEl.contains(potentialNonEditableNode) ? potentialNonEditableNode : null;
var leafNode = parentNode.closest('[data-slate-leaf]');
var domNode = null;
// Calculate how far into the text node the `nearestNode` is, so that we
// can determine what the offset relative to the text node is.
if (leafNode) {
textNode = leafNode.closest('[data-slate-node="text"]');
if (textNode) {
var window = DOMEditor.getWindow(editor);
var range = window.document.createRange();
range.setStart(textNode, 0);
range.setEnd(nearestNode, nearestOffset);
var contents = range.cloneContents();
var removals = [].concat(_toConsumableArray(Array.prototype.slice.call(contents.querySelectorAll('[data-slate-zero-width]'))), _toConsumableArray(Array.prototype.slice.call(contents.querySelectorAll('[contenteditable=false]'))));
removals.forEach(function (el) {
// COMPAT: While composing at the start of a text node, some keyboards put
// the text content inside the zero width space.
if (IS_ANDROID && !exactMatch && el.hasAttribute('data-slate-zero-width') && el.textContent.length > 0 && el.textContext !== "\uFEFF") {
if (el.textContent.startsWith("\uFEFF")) {
el.textContent = el.textContent.slice(1);
}
return;
}
el.parentNode.removeChild(el);
});
// COMPAT: Edge has a bug where Range.prototype.toString() will
// convert \n into \r\n. The bug causes a loop when slate-dom
// attempts to reposition its cursor to match the native position. Use
// textContent.length instead.
// https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10291116/
offset = contents.textContent.length;
domNode = textNode;
}
} else if (voidNode) {
// For void nodes, the element with the offset key will be a cousin, not an
// ancestor, so find it by going down from the nearest void parent and taking the
// first one that isn't inside a nested editor.
var leafNodes = voidNode.querySelectorAll('[data-slate-leaf]');
for (var index = 0; index < leafNodes.length; index++) {
var current = leafNodes[index];
if (DOMEditor.hasDOMNode(editor, current)) {
leafNode = current;
break;
}
}
// COMPAT: In read-only editors the leaf is not rendered.
if (!leafNode) {
offset = 1;
} else {
textNode = leafNode.closest('[data-slate-node="text"]');
domNode = leafNode;
offset = domNode.textContent.length;
domNode.querySelectorAll('[data-slate-zero-width]').forEach(function (el) {
offset -= el.textContent.length;
});
}
} else if (nonEditableNode) {
// Find the edge of the nearest leaf in `searchDirection`
var getLeafNodes = function getLeafNodes(node) {
return node ? node.querySelectorAll(
// Exclude leaf nodes in nested editors
'[data-slate-leaf]:not(:scope [data-slate-editor] [data-slate-leaf])') : [];
};
var elementNode = nonEditableNode.closest('[data-slate-node="element"]');
if (searchDirection === 'forward') {
var _leafNodes$find;
var _leafNodes = [].concat(_toConsumableArray(getLeafNodes(elementNode)), _toConsumableArray(getLeafNodes(elementNode === null || elementNode === void 0 ? void 0 : elementNode.nextElementSibling)));
leafNode = (_leafNodes$find = _leafNodes.find(function (leaf) {
return isAfter(nonEditableNode, leaf);
})) !== null && _leafNodes$find !== void 0 ? _leafNodes$find : null;
} else {
var _leafNodes2$findLast;
var _leafNodes2 = [].concat(_toConsumableArray(getLeafNodes(elementNode === null || elementNode === void 0 ? void 0 : elementNode.previousElementSibling)), _toConsumableArray(getLeafNodes(elementNode)));
leafNode = (_leafNodes2$findLast = _leafNodes2.findLast(function (leaf) {
return isBefore(nonEditableNode, leaf);
})) !== null && _leafNodes2$findLast !== void 0 ? _leafNodes2$findLast : null;
}
if (leafNode) {
textNode = leafNode.closest('[data-slate-node="text"]');
domNode = leafNode;
if (searchDirection === 'forward') {
offset = 0;
} else {
offset = domNode.textContent.length;
domNode.querySelectorAll('[data-slate-zero-width]').forEach(function (el) {
offset -= el.textContent.length;
});
}
}
}
if (domNode && offset === domNode.textContent.length &&
// COMPAT: Android IMEs might remove the zero width space while composing,
// and we don't add it for line-breaks.
IS_ANDROID && domNode.getAttribute('data-slate-zero-width') === 'z' && (_domNode$textContent = domNode.textContent) !== null && _domNode$textContent !== void 0 && _domNode$textContent.startsWith("\uFEFF") && (
// COMPAT: If the parent node is a Slate zero-width space, editor is
// because the text node should have no characters. However, during IME
// composition the ASCII characters will be prepended to the zero-width
// space, so subtract 1 from the offset to account for the zero-width
// space character.
parentNode.hasAttribute('data-slate-zero-width') ||
// COMPAT: In Firefox, `range.cloneContents()` returns an extra trailing '\n'
// when the document ends with a new-line character. This results in the offset
// length being off by one, so we need to subtract one to account for this.
IS_FIREFOX && (_domNode$textContent2 = domNode.textContent) !== null && _domNode$textContent2 !== void 0 && _domNode$textContent2.endsWith('\n\n'))) {
offset--;
}
}
if (IS_ANDROID && !textNode && !exactMatch) {
var node = parentNode.hasAttribute('data-slate-node') ? parentNode : parentNode.closest('[data-slate-node]');
if (node && DOMEditor.hasDOMNode(editor, node, {
editable: true
})) {
var _slateNode = DOMEditor.toSlateNode(editor, node);
var _Editor$start = slate.Editor.start(editor, DOMEditor.findPath(editor, _slateNode)),
_path = _Editor$start.path,
_offset = _Editor$start.offset;
if (!node.querySelector('[data-slate-leaf]')) {
_offset = nearestOffset;
}
return {
path: _path,
offset: _offset
};
}
}
if (!textNode) {
if (suppressThrow) {
return null;
}
throw new Error("Cannot resolve a Slate point from DOM point: ".concat(domPoint));
}
// COMPAT: If someone is clicking from one Slate editor into another,
// the select event fires twice, once for the old editor's `element`
// first, and then afterwards for the correct `element`. (2017/03/03)
var slateNode = DOMEditor.toSlateNode(editor, textNode);
var path = DOMEditor.findPath(editor, slateNode);
return {
path: path,
offset: offset
};
},
toSlateRange: function toSlateRange(editor, domRange, options) {
var _focusNode$textConten;
var exactMatch = options.exactMatch,
suppressThrow = options.suppressThrow;
var el = isDOMSelection(domRange) ? domRange.anchorNode : domRange.startContainer;
var anchorNode;
var anchorOffset;
var focusNode;
var focusOffset;
var isCollapsed;
if (el) {
if (isDOMSelection(domRange)) {
// COMPAT: In firefox the normal seletion way does not work
// (https://github.com/ianstormtaylor/slate/pull/5486#issue-1820720223)
if (IS_FIREFOX && domRange.rangeCount > 1) {
focusNode = domRange.focusNode; // Focus node works fine
var firstRange = domRange.getRangeAt(0);
var lastRange = domRange.getRangeAt(domRange.rangeCount - 1);
// Here we are in the contenteditable mode of a table in firefox
if (focusNode instanceof HTMLTableRowElement && firstRange.startContainer instanceof HTMLTableRowElement && lastRange.startContainer instanceof HTMLTableRowElement) {
// HTMLElement, becouse Element is a slate element
var getLastChildren = function getLastChildren(element) {
if (element.childElementCount > 0) {
return getLastChildren(element.children[0]);
} else {
return element;
}
};
var firstNodeRow = firstRange.startContainer;
var lastNodeRow = lastRange.startContainer;
// This should never fail as "The HTMLElement interface represents any HTML element."
var firstNode = getLastChildren(firstNodeRow.children[firstRange.startOffset]);
var lastNode = getLastChildren(lastNodeRow.children[lastRange.startOffset]);
// Zero, as we allways take the right one as the anchor point
focusOffset = 0;
if (lastNode.childNodes.length > 0) {
anchorNode = lastNode.childNodes[0];
} else {
anchorNode = lastNode;
}
if (firstNode.childNodes.length > 0) {
focusNode = firstNode.childNodes[0];
} else {
focusNode = firstNode;
}
if (lastNode instanceof HTMLElement) {
anchorOffset = lastNode.innerHTML.length;
} else {
// Fallback option
anchorOffset = 0;
}
} else {
// This is the read only mode of a firefox table
// Right to left
if (firstRange.startContainer === focusNode) {
anchorNode = lastRange.endContainer;
anchorOffset = lastRange.endOffset;
focusOffset = firstRange.startOffset;
} else {
// Left to right
anchorNode = firstRange.startContainer;
anchorOffset = firstRange.endOffset;
focusOffset = lastRange.startOffset;
}
}
} else {
anchorNode = domRange.anchorNode;
anchorOffset = domRange.anchorOffset;
focusNode = domRange.focusNode;
focusOffset = domRange.focusOffset;
}
// COMPAT: There's a bug in chrome that always returns `true` for
// `isCollapsed` for a Selection that comes from a ShadowRoot.
// (2020/08/08)
// https://bugs.chromium.org/p/chromium/issues/detail?id=447523
// IsCollapsed might not work in firefox, but this will
if (IS_CHROME && hasShadowRoot(anchorNode) || IS_FIREFOX) {
isCollapsed = domRange.anchorNode === domRange.focusNode && domRange.anchorOffset === domRange.focusOffset;
} else {
isCollapsed = domRange.isCollapsed;
}
} else {
anchorNode = domRange.startContainer;
anchorOffset = domRange.startOffset;
focusNode = domRange.endContainer;
focusOffset = domRange.endOffset;
isCollapsed = domRange.collapsed;
}
}
if (anchorNode == null || focusNode == null || anchorOffset == null || focusOffset == null) {
throw new Error("Cannot resolve a Slate range from DOM range: ".concat(domRange));
}
// COMPAT: Firefox sometimes includes an extra \n (rendered by TextString
// when isTrailing is true) in the focusOffset, resulting in an invalid
// Slate point. (2023/11/01)
if (IS_FIREFOX && (_focusNode$textConten = focusNode.textContent) !== null && _focusNode$textConten !== void 0 && _focusNode$textConten.endsWith('\n\n') && focusOffset === focusNode.textContent.length) {
focusOffset--;
}
var anchor = DOMEditor.toSlatePoint(editor, [anchorNode, anchorOffset], {
exactMatch: exactMatch,
suppressThrow: suppressThrow
});
if (!anchor) {
return null;
}
var focusBeforeAnchor = isBefore(anchorNode, focusNode) || anchorNode === focusNode && focusOffset < anchorOffset;
var focus = isCollapsed ? anchor : DOMEditor.toSlatePoint(editor, [focusNode, focusOffset], {
exactMatch: exactMatch,
suppressThrow: suppressThrow,
searchDirection: focusBeforeAnchor ? 'forward' : 'backward'
});
if (!focus) {
return null;
}
var range = {
anchor: anchor,
focus: focus
};
// if the selection is a hanging range that ends in a void
// and the DOM focus is an Element
// (meaning that the selection ends before the element)
// unhang the range to avoid mistakenly including the void
if (slate.Range.isExpanded(range) && slate.Range.isForward(range) && isDOMElement(focusNode) && slate.Editor["void"](editor, {
at: range.focus,
mode: 'highest'
})) {
range = slate.Editor.unhangRange(editor, range, {
voids: true
});
}
return range;
}
};
/**
* Check whether a text diff was applied in a way we can perform the pending action on /
* recover the pending selection.
*/
function verifyDiffState(editor, textDiff) {
var path = textDiff.path,
diff = textDiff.diff;
if (!slate.Editor.hasPath(editor, path)) {
return false;
}
var node = slate.Node.get(editor, path);
if (!slate.Text.isText(node)) {
return false;
}
if (diff.start !== node.text.length || diff.text.length === 0) {
return node.text.slice(diff.start, diff.start + diff.text.length) === diff.text;
}
var nextPath = slate.Path.next(path);
if (!slate.Editor.hasPath(editor, nextPath)) {
return false;
}
var nextNode = slate.Node.get(editor, nextPath);
return slate.Text.isText(nextNode) && nextNode.text.startsWith(diff.text);
}
function applyStringDiff(text) {
for (var _len = arguments.length, diffs = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
diffs[_key - 1] = arguments[_key];
}
return diffs.reduce(function (text, diff) {
return text.slice(0, diff.start) + diff.text + text.slice(diff.end);
}, text);
}
function longestCommonPrefixLength(str, another) {
var length = Math.min(str.length, another.length);
for (var i = 0; i < length; i++) {
if (str.charAt(i) !== another.charAt(i)) {
return i;
}
}
return length;
}
function longestCommonSuffixLength(str, another, max) {
var length = Math.min(str.length, another.length, max);
for (var i = 0; i < length; i++) {
if (str.charAt(str.length - i - 1) !== another.charAt(another.length - i - 1)) {
return i;
}
}
return length;
}
/**
* Remove redundant changes from the diff so that it spans the minimal possible range
*/
function normalizeStringDiff(targetText, diff) {
var start = diff.start,
end = diff.end,
text = diff.text;
var removedText = targetText.slice(start, end);
var prefixLength = longestCommonPrefixLength(removedText, text);
var max = Math.min(removedText.length - prefixLength, text.length - prefixLength);
var suffixLength = longestCommonSuffixLength(removedText, text, max);
var normalized = {
start: start + prefixLength,
end: end - suffixLength,
text: text.slice(prefixLength, text.length - suffixLength)
};
if (normalized.start === normalized.end && normalized.text.length === 0) {
return null;
}
return normalized;
}
/**
* Return a string diff that is equivalent to applying b after a spanning the range of
* both changes
*/
function mergeStringDiffs(targetText, a, b) {
var start = Math.min(a.start, b.start);
var overlap = Math.max(0, Math.min(a.start + a.text.length, b.end) - b.start);
var applied = applyStringDiff(targetText, a, b);
var sliceEnd = Math.max(b.start + b.text.length, a.start + a.text.length + (a.start + a.text.length > b.start ? b.text.length : 0) - overlap);
var text = applied.slice(start, sliceEnd);
var end = Math.max(a.end, b.end - a.text.length + (a.end - a.start));
return normalizeStringDiff(targetText, {
start: start,
end: end,
text: text
});
}
/**
* Get the slate range the text diff spans.
*/
function targetRange(textDiff) {
var path = textDiff.path,
diff = textDiff.diff;
return {
anchor: {
path: path,
offset: diff.start
},
focus: {
path: path,
offset: diff.end
}
};
}
/**
* Normalize a 'pending point' a.k.a a point based on the dom state before applying
* the pending diffs. Since the pending diffs might have been inserted with different
* marks we have to 'walk' the offset from the starting position to ensure we still
* have a valid point inside the document
*/
function normalizePoint(editor, point) {
var path = point.path,
offset = point.offset;
if (!slate.Editor.hasPath(editor, path)) {
return null;
}
var leaf = slate.Node.get(editor, path);
if (!slate.Text.isText(leaf)) {
return null;
}
var parentBlock = slate.Editor.above(editor, {
match: function match(n) {
return slate.Element.isElement(n) && slate.Editor.isBlock(editor, n);
},
at: path
});
if (!parentBlock) {
return null;
}
while (offset > leaf.text.length) {
var entry = slate.Editor.next(editor, {
at: path,
match: slate.Text.isText
});
if (!entry || !slate.Path.isDescendant(entry[1], parentBlock[1])) {
return null;
}
offset -= leaf.text.length;
leaf = entry[0];
path = entry[1];
}
return {
path: path,
offset: offset
};
}
/**
* Normalize a 'pending selection' to ensure it's valid in the current document state.
*/
function normalizeRange(editor, range) {
var anchor = normalizePoint(editor, range.anchor);
if (!anchor) {
return null;
}
if (slate.Range.isCollapsed(range)) {
return {
anchor: anchor,
focus: anchor
};
}
var focus = normalizePoint(editor, range.focus);
if (!focus) {
return null;
}
return {
anchor: anchor,
focus: focus
};
}
function transformPendingPoint(editor, point, op) {
var pendingDiffs = EDITOR_TO_PENDING_DIFFS.get(editor);
var textDiff = pendingDiffs === null || pendingDiffs === void 0 ? void 0 : pendingDiffs.find(function (_ref) {
var path = _ref.path;
return slate.Path.equals(path, point.path);
});
if (!textDiff || point.offset <= textDiff.diff.start) {
return slate.Point.transform(point, op, {
affinity: 'backward'
});
}
var diff = textDiff.diff;
// Point references location inside the diff => transform the point based on the location
// the diff will be applied to and add the offset inside the diff.
if (point.offset <= diff.start + diff.text.length) {
var _anchor = {
path: point.path,
offset: diff.start
};
var _transformed = slate.Point.transform(_anchor, op, {
affinity: 'backward'
});
if (!_transformed) {
return null;
}
return {
path: _transformed.path,
offset: _transformed.offset + point.offset - diff.start
};
}
// Point references location after the diff
var anchor = {
path: point.path,
offset: point.offset - diff.text.length + diff.end - diff.start
};
var transformed = slate.Point.transform(anchor, op, {
affinity: 'backward'
});
if (!transformed) {
return null;
}
if (op.type === 'split_node' && slate.Path.equals(op.path, point.path) && anchor.offset < op.position && diff.start < op.position) {
return transformed;
}
return {
path: transformed.path,
offset: transformed.offset + diff.text.length - diff.end + diff.start
};
}
function transformPendingRange(editor, range, op) {
var anchor = transformPendingPoint(editor, range.anchor, op);
if (!anchor) {
return null;
}
if (slate.Range.isCollapsed(range)) {
return {
anchor: anchor,
focus: anchor
};
}
var focus = transformPendingPoint(editor, range.focus, op);
if (!focus) {
return null;
}
return {
anchor: anchor,
focus: focus
};
}
function transformTextDiff(textDiff, op) {
var path = textDiff.path,
diff = textDiff.diff,
id = textDiff.id;
switch (op.type) {
case 'insert_text':
{
if (!slate.Path.equals(op.path, path) || op.offset >= diff.end) {
return textDiff;
}
if (op.offset <= diff.start) {
return {
diff: {
start: op.text.length + diff.start,
end: op.text.length + diff.end,
text: diff.text
},
id: id,
path: path
};
}
return {
diff: {
start: diff.start,
end: diff.end + op.text.length,
text: diff.text
},
id: id,
path: path
};
}
case 'remove_text':
{
if (!slate.Path.equals(op.path, path) || op.offset >= diff.end) {
return textDiff;
}
if (op.offset + op.text.length <= diff.start) {
return {
diff: {
start: diff.start - op.text.length,
end: diff.end - op.text.length,
text: diff.text
},
id: id,
path: path
};
}
return {
diff: {
start: diff.start,
end: diff.end - op.text.length,
text: diff.text
},
id: id,
path: path
};
}
case 'split_node':
{
if (!slate.Path.equals(op.path, path) || op.position >= diff.end) {
return {
diff: diff,
id: id,
path: slate.Path.transform(path, op, {
affinity: 'backward'
})
};
}
if (op.position > diff.start) {
return {
diff: {
start: diff.start,
end: Math.min(op.position, diff.end),
text: diff.text
},
id: id,
path: path
};
}
return {
diff: {
start: diff.start - op.position,
end: diff.end - op.position,
text: diff.text
},
id: id,
path: slate.Path.transform(path, op, {
affinity: 'forward'
})
};
}
case 'merge_node':
{
if (!slate.Path.equals(op.path, path)) {
return {
diff: diff,
id: id,
path: slate.Path.transform(path, op)
};
}
return {
diff: {
start: diff.start + op.position,
end: diff.end + op.position,
text: diff.text
},
id: id,
path: slate.Path.transform(path, op)
};
}
}
var newPath = slate.Path.transform(path, op);
if (!newPath) {
return null;
}
return {
diff: diff,
path: newPath,
id: id
};
}
/**
* Utilities for single-line deletion
*/
var doRectsIntersect = function doRectsIntersect(rect, compareRect) {
var middle = (compareRect.top + compareRect.bottom) / 2;
return rect.top <= middle && rect.bottom >= middle;
};
var areRangesSameLine = function areRangesSameLine(editor, range1, range2) {
var rect1 = DOMEditor.toDOMRange(editor, range1).getBoundingClientRect();
var rect2 = DOMEditor.toDOMRange(editor, range2).getBoundingClientRect();
return doRectsIntersect(rect1, rect2) && doRectsIntersect(rect2, rect1);
};
/**
* A helper utility that returns the end portion of a `Range`
* which is located on a single line.
*
* @param {Editor} editor The editor object to compare against
* @param {Range} parentRange The parent range to compare against
* @returns {Range} A valid portion of the parentRange which is one a single line
*/
var findCurrentLineRange = function findCurrentLineRange(editor, parentRange) {
var parentRangeBoundary = slate.Editor.range(editor, slate.Range.end(parentRange));
var positions = Array.from(slate.Editor.positions(editor, {
at: parentRange
}));
var left = 0;
var right = positions.length;
var middle = Math.floor(right / 2);
if (areRangesSameLine(editor, slate.Editor.range(editor, positions[left]), parentRangeBoundary)) {
return slate.Editor.range(editor, positions[left], parentRangeBoundary);
}
if (positions.length < 2) {
return slate.Editor.range(editor, positions[positions.length - 1], parentRangeBoundary);
}
while (middle !== positions.length && middle !== left) {
if (areRangesSameLine(editor, slate.Editor.range(editor, positions[middle]), parentRangeBoundary)) {
right = middle;
} else {
left = middle;
}
middle = Math.floor((left + right) / 2);
}
return slate.Editor.range(editor, positions[left], parentRangeBoundary);
};
function _createForOfIteratorHelper$1(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray$1(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray$1(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray$1(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray$1(o, minLen); }
function _arrayLikeToArray$1(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function ownKeys$1(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread$1(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys$1(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys$1(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
/**
* `withDOM` adds DOM specific behaviors to the editor.
*
* If you are using TypeScript, you must extend Slate's CustomTypes to use
* this plugin.
*
* See https://docs.slatejs.org/concepts/11-typescript to learn how.
*/
var withDOM = function withDOM(editor) {
var clipboardFormatKey = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'x-slate-fragment';
var e = editor;
var apply = e.apply,
onChange = e.onChange,
deleteBackward = e.deleteBackward,
addMark = e.addMark,
removeMark = e.removeMark;
// The WeakMap which maps a key to a specific HTMLElement must be scoped to the editor instance to
// avoid collisions between editors in the DOM that share the same value.
EDITOR_TO_KEY_TO_ELEMENT.set(e, new WeakMap());
e.addMark = function (key, value) {
var _EDITOR_TO_SCHEDULE_F, _EDITOR_TO_PENDING_DI;
(_EDITOR_TO_SCHEDULE_F = EDITOR_TO_SCHEDULE_FLUSH.get(e)) === null || _EDITOR_TO_SCHEDULE_F === void 0 || _EDITOR_TO_SCHEDULE_F();
if (!EDITOR_TO_PENDING_INSERTION_MARKS.get(e) && (_EDITOR_TO_PENDING_DI = EDITOR_TO_PENDING_DIFFS.get(e)) !== null && _EDITOR_TO_PENDING_DI !== void 0 && _EDITOR_TO_PENDING_DI.length) {
// Ensure the current pending diffs originating from changes before the addMark
// are applied with the current formatting
EDITOR_TO_PENDING_INSERTION_MARKS.set(e, null);
}
EDITOR_TO_USER_MARKS["delete"](e);
addMark(key, value);
};
e.removeMark = function (key) {
var _EDITOR_TO_PENDING_DI2;
if (!EDITOR_TO_PENDING_INSERTION_MARKS.get(e) && (_EDITOR_TO_PENDING_DI2 = EDITOR_TO_PENDING_DIFFS.get(e)) !== null && _EDITOR_TO_PENDING_DI2 !== void 0 && _EDITOR_TO_PENDING_DI2.length) {
// Ensure the current pending diffs originating from changes before the addMark
// are applied with the current formatting
EDITOR_TO_PENDING_INSERTION_MARKS.set(e, null);
}
EDITOR_TO_USER_MARKS["delete"](e);
removeMark(key);
};
e.deleteBackward = function (unit) {
if (unit !== 'line') {
return deleteBackward(unit);
}
if (e.selection && slate.Range.isCollapsed(e.selection)) {
var parentBlockEntry = slate.Editor.above(e, {
match: function match(n) {
return slate.Element.isElement(n) && slate.Editor.isBlock(e, n);
},
at: e.selection
});
if (parentBlockEntry) {
var _parentBlockEntry = _slicedToArray(parentBlockEntry, 2),
parentBlockPath = _parentBlockEntry[1];
var parentElementRange = slate.Editor.range(e, parentBlockPath, e.selection.anchor);
var currentLineRange = findCurrentLineRange(e, parentElementRange);
if (!slate.Range.isCollapsed(currentLineRange)) {
slate.Transforms["delete"](e, {
at: currentLineRange
});
}
}
}
};
// This attempts to reset the NODE_TO_KEY entry to the correct value
// as apply() changes the object reference and hence invalidates the NODE_TO_KEY entry
e.apply = function (op) {
var matches = [];
var pathRefMatches = [];
var pendingDiffs = EDITOR_TO_PENDING_DIFFS.get(e);
if (pendingDiffs !== null && pendingDiffs !== void 0 && pendingDiffs.length) {
var transformed = pendingDiffs.map(function (textDiff) {
return transformTextDiff(textDiff, op);
}).filter(Boolean);
EDITOR_TO_PENDING_DIFFS.set(e, transformed);
}
var pendingSelection = EDITOR_TO_PENDING_SELECTION.get(e);
if (pendingSelection) {
EDITOR_TO_PENDING_SELECTION.set(e, transformPendingRange(e, pendingSelection, op));
}
var pendingAction = EDITOR_TO_PENDING_ACTION.get(e);
if (pendingAction !== null && pendingAction !== void 0 && pendingAction.at) {
var at = slate.Point.isPoint(pendingAction === null || pendingAction === void 0 ? void 0 : pendingAction.at) ? transformPendingPoint(e, pendingAction.at, op) : transformPendingRange(e, pendingAction.at, op);
EDITOR_TO_PENDING_ACTION.set(e, at ? _objectSpread$1(_objectSpread$1({}, pendingAction), {}, {
at: at
}) : null);
}
switch (op.type) {
case 'insert_text':
case 'remove_text':
case 'set_node':
case 'split_node':
{
matches.push.apply(matches, _toConsumableArray(getMatches(e, op.path)));
break;
}
case 'set_selection':
{
var _EDITOR_TO_USER_SELEC;
// Selection was manually set, don't restore the user selection after the change.
(_EDITOR_TO_USER_SELEC = EDITOR_TO_USER_SELECTION.get(e)) === null || _EDITOR_TO_USER_SELEC === void 0 || _EDITOR_TO_USER_SELEC.unref();
EDITOR_TO_USER_SELECTION["delete"](e);
break;
}
case 'insert_node':
case 'remove_node':
{
matches.push.apply(matches, _toConsumableArray(getMatches(e, slate.Path.parent(op.path))));
break;
}
case 'merge_node':
{
var prevPath = slate.Path.previous(op.path);
matches.push.apply(matches, _toConsumableArray(getMatches(e, prevPath)));
break;
}
case 'move_node':
{
var commonPath = slate.Path.common(slate.Path.parent(op.path), slate.Path.parent(op.newPath));
matches.push.apply(matches, _toConsumableArray(getMatches(e, commonPath)));
var changedPath;
if (slate.Path.isBefore(op.path, op.newPath)) {
matches.push.apply(matches, _toConsumableArray(getMatches(e, slate.Path.parent(op.path))));
changedPath = op.newPath;
} else {
matches.push.apply(matches, _toConsumableArray(getMatches(e, slate.Path.parent(op.newPath))));
changedPath = op.path;
}
var changedNode = slate.Node.get(editor, slate.Path.parent(changedPath));
var changedNodeKey = DOMEditor.findKey(e, changedNode);
var changedPathRef = slate.Editor.pathRef(e, slate.Path.parent(changedPath));
pathRefMatches.push([changedPathRef, changedNodeKey]);
break;
}
}
apply(op);
switch (op.type) {
case 'insert_node':
case 'remove_node':
case 'merge_node':
case 'move_node':
case 'split_node':
case 'insert_text':
case 'remove_text':
case 'set_selection':
{
// FIXME: Rename to something like IS_DOM_EDITOR_DESYNCED
// to better reflect reality, see #5792
IS_NODE_MAP_DIRTY.set(e, true);
}
}
for (var _i = 0, _matches = matches; _i < _matches.length; _i++) {
var _matches$_i = _slicedToArray(_matches[_i], 2),
path = _matches$_i[0],
key = _matches$_i[1];
var _Editor$node = slate.Editor.node(e, path),
_Editor$node2 = _slicedToArray(_Editor$node, 1),
node = _Editor$node2[0];
NODE_TO_KEY.set(node, key);
}
for (var _i2 = 0, _pathRefMatches = pathRefMatches; _i2 < _pathRefMatches.length; _i2++) {
var _pathRefMatches$_i = _slicedToArray(_pathRefMatches[_i2], 2),
pathRef = _pathRefMatches$_i[0],
_key = _pathRefMatches$_i[1];
if (pathRef.current) {
var _Editor$node3 = slate.Editor.node(e, pathRef.current),
_Editor$node4 = _slicedToArray(_Editor$node3, 1),
_node = _Editor$node4[0];
NODE_TO_KEY.set(_node, _key);
}
pathRef.unref();
}
};
e.setFragmentData = function (data) {
var selection = e.selection;
if (!selection) {
return;
}
var _Range$edges = slate.Range.edges(selection),
_Range$edges2 = _slicedToArray(_Range$edges, 2),
start = _Range$edges2[0],
end = _Range$edges2[1];
var startVoid = slate.Editor["void"](e, {
at: start.path
});
var endVoid = slate.Editor["void"](e, {
at: end.path
});
if (slate.Range.isCollapsed(selection) && !startVoid) {
return;
}
// Create a fake selection so that we can add a Base64-encoded copy of the
// fragment to the HTML, to decode on future pastes.
var domRange = DOMEditor.toDOMRange(e, selection);
var contents = domRange.cloneContents();
var attach = contents.childNodes[0];
// Make sure attach is non-empty, since empty nodes will not get copied.
contents.childNodes.forEach(function (node) {
if (node.textContent && node.textContent.trim() !== '') {
attach = node;
}
});
// COMPAT: If the end node is a void node, we need to move the end of the
// range from the void node's spacer span, to the end of the void node's
// content, since the spacer is before void's content in the DOM.
if (endVoid) {
var _endVoid = _slicedToArray(endVoid, 1),
voidNode = _endVoid[0];
var r = domRange.cloneRange();
var domNode = DOMEditor.toDOMNode(e, voidNode);
r.setEndAfter(domNode);
contents = r.cloneContents();
}
// COMPAT: If the start node is a void node, we need to attach the encoded
// fragment to the void node's content node instead of the spacer, because
// attaching it to empty `<div>/<span>` nodes will end up having it erased by
// most browsers. (2018/04/27)
if (startVoid) {
attach = contents.querySelector('[data-slate-spacer]');
}
// Remove any zero-width space spans from the cloned DOM so that they don't
// show up elsewhere when pasted.
Array.from(contents.querySelectorAll('[data-slate-zero-width]')).forEach(function (zw) {
var isNewline = zw.getAttribute('data-slate-zero-width') === 'n';
zw.textContent = isNewline ? '\n' : '';
});
// Set a `data-slate-fragment` attribute on a non-empty node, so it shows up
// in the HTML, and can be used for intra-Slate pasting. If it's a text
// node, wrap it in a `<span>` so we have something to set an attribute on.
if (isDOMText(attach)) {
var span = attach.ownerDocument.createElement('span');
// COMPAT: In Chrome and Safari, if we don't add the `white-space` style
// then leading and trailing spaces will be ignored. (2017/09/21)
span.style.whiteSpace = 'pre';
span.appendChild(attach);
contents.appendChild(span);
attach = span;
}
var fragment = e.getFragment();
var string = JSON.stringify(fragment);
var encoded = window.btoa(encodeURIComponent(string));
attach.setAttribute('data-slate-fragment', encoded);
data.setData("application/".concat(clipboardFormatKey), encoded);
// Add the content to a <div> so that we can get its inner HTML.
var div = contents.ownerDocument.createElement('div');
div.appendChild(contents);
div.setAttribute('hidden', 'true');
contents.ownerDocument.body.appendChild(div);
data.setData('text/html', div.innerHTML);
data.setData('text/plain', getPlainText(div));
contents.ownerDocument.body.removeChild(div);
return data;
};
e.insertData = function (data) {
if (!e.insertFragmentData(data)) {
e.insertTextData(data);
}
};
e.insertFragmentData = function (data) {
/**
* Checking copied fragment from application/x-slate-fragment or data-slate-fragment
*/
var fragment = data.getData("application/".concat(clipboardFormatKey)) || getSlateFragmentAttribute(data);
if (fragment) {
var decoded = decodeURIComponent(window.atob(fragment));
var parsed = JSON.parse(decoded);
e.insertFragment(parsed);
return true;
}
return false;
};
e.insertTextData = function (data) {
var text = data.getData('text/plain');
if (text) {
var lines = text.split(/\r\n|\r|\n/);
var split = false;
var _iterator = _createForOfIteratorHelper$1(lines),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var line = _step.value;
if (split) {
slate.Transforms.splitNodes(e, {
always: true
});
}
e.insertText(line);
split = true;
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return true;
}
return false;
};
e.onChange = function (options) {
var onContextChange = EDITOR_TO_ON_CHANGE.get(e);
if (onContextChange) {
onContextChange(options);
}
onChange(options);
};
return e;
};
var getMatches = function getMatches(e, path) {
var matches = [];
var _iterator2 = _createForOfIteratorHelper$1(slate.Editor.levels(e, {
at: path
})),
_step2;
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
var _step2$value = _slicedToArray(_step2.value, 2),
n = _step2$value[0],
p = _step2$value[1];
var key = DOMEditor.findKey(e, n);
matches.push([p, key]);
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
return matches;
};
var TRIPLE_CLICK = 3;
var lib = createCommonjsModule(function (module, exports) {
Object.defineProperty(exports, "__esModule", {
value: true
});
/**
* Constants.
*/
var IS_MAC = typeof window != 'undefined' && /Mac|iPod|iPhone|iPad/.test(window.navigator.platform);
var MODIFIERS = {
alt: 'altKey',
control: 'ctrlKey',
meta: 'metaKey',
shift: 'shiftKey'
};
var ALIASES = {
add: '+',
break: 'pause',
cmd: 'meta',
command: 'meta',
ctl: 'control',
ctrl: 'control',
del: 'delete',
down: 'arrowdown',
esc: 'escape',
ins: 'insert',
left: 'arrowleft',
mod: IS_MAC ? 'meta' : 'control',
opt: 'alt',
option: 'alt',
return: 'enter',
right: 'arrowright',
space: ' ',
spacebar: ' ',
up: 'arrowup',
win: 'meta',
windows: 'meta'
};
var CODES = {
backspace: 8,
tab: 9,
enter: 13,
shift: 16,
control: 17,
alt: 18,
pause: 19,
capslock: 20,
escape: 27,
' ': 32,
pageup: 33,
pagedown: 34,
end: 35,
home: 36,
arrowleft: 37,
arrowup: 38,
arrowright: 39,
arrowdown: 40,
insert: 45,
delete: 46,
meta: 91,
numlock: 144,
scrolllock: 145,
';': 186,
'=': 187,
',': 188,
'-': 189,
'.': 190,
'/': 191,
'`': 192,
'[': 219,
'\\': 220,
']': 221,
'\'': 222
};
for (var f = 1; f < 20; f++) {
CODES['f' + f] = 111 + f;
}
/**
* Is hotkey?
*/
function isHotkey(hotkey, options, event) {
if (options && !('byKey' in options)) {
event = options;
options = null;
}
if (!Array.isArray(hotkey)) {
hotkey = [hotkey];
}
var array = hotkey.map(function (string) {
return parseHotkey(string, options);
});
var check = function check(e) {
return array.some(function (object) {
return compareHotkey(object, e);
});
};
var ret = event == null ? check : check(event);
return ret;
}
function isCodeHotkey(hotkey, event) {
return isHotkey(hotkey, event);
}
function isKeyHotkey(hotkey, event) {
return isHotkey(hotkey, { byKey: true }, event);
}
/**
* Parse.
*/
function parseHotkey(hotkey, options) {
var byKey = options && options.byKey;
var ret = {};
// Special case to handle the `+` key since we use it as a separator.
hotkey = hotkey.replace('++', '+add');
var values = hotkey.split('+');
var length = values.length;
// Ensure that all the modifiers are set to false unless the hotkey has them.
for (var k in MODIFIERS) {
ret[MODIFIERS[k]] = false;
}
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = values[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var value = _step.value;
var optional = value.endsWith('?') && value.length > 1;
if (optional) {
value = value.slice(0, -1);
}
var name = toKeyName(value);
var modifier = MODIFIERS[name];
if (value.length > 1 && !modifier && !ALIASES[value] && !CODES[name]) {
throw new TypeError('Unknown modifier: "' + value + '"');
}
if (length === 1 || !modifier) {
if (byKey) {
ret.key = name;
} else {
ret.which = toKeyCode(value);
}
}
if (modifier) {
ret[modifier] = optional ? null : true;
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return ret;
}
/**
* Compare.
*/
function compareHotkey(object, event) {
for (var key in object) {
var expected = object[key];
var actual = void 0;
if (expected == null) {
continue;
}
if (key === 'key' && event.key != null) {
actual = event.key.toLowerCase();
} else if (key === 'which') {
actual = expected === 91 && event.which === 93 ? 91 : event.which;
} else {
actual = event[key];
}
if (actual == null && expected === false) {
continue;
}
if (actual !== expected) {
return false;
}
}
return true;
}
/**
* Utils.
*/
function toKeyCode(name) {
name = toKeyName(name);
var code = CODES[name] || name.toUpperCase().charCodeAt(0);
return code;
}
function toKeyName(name) {
name = name.toLowerCase();
name = ALIASES[name] || name;
return name;
}
/**
* Export.
*/
exports.default = isHotkey;
exports.isHotkey = isHotkey;
exports.isCodeHotkey = isCodeHotkey;
exports.isKeyHotkey = isKeyHotkey;
exports.parseHotkey = parseHotkey;
exports.compareHotkey = compareHotkey;
exports.toKeyCode = toKeyCode;
exports.toKeyName = toKeyName;
});
unwrapExports(lib);
var lib_1 = lib.isHotkey;
lib.isCodeHotkey;
lib.isKeyHotkey;
lib.parseHotkey;
lib.compareHotkey;
lib.toKeyCode;
lib.toKeyName;
/**
* Hotkey mappings for each platform.
*/
var HOTKEYS = {
bold: 'mod+b',
compose: ['down', 'left', 'right', 'up', 'backspace', 'enter'],
moveBackward: 'left',
moveForward: 'right',
moveWordBackward: 'ctrl+left',
moveWordForward: 'ctrl+right',
deleteBackward: 'shift?+backspace',
deleteForward: 'shift?+delete',
extendBackward: 'shift+left',
extendForward: 'shift+right',
italic: 'mod+i',
insertSoftBreak: 'shift+enter',
splitBlock: 'enter',
undo: 'mod+z'
};
var APPLE_HOTKEYS = {
moveLineBackward: 'opt+up',
moveLineForward: 'opt+down',
moveWordBackward: 'opt+left',
moveWordForward: 'opt+right',
deleteBackward: ['ctrl+backspace', 'ctrl+h'],
deleteForward: ['ctrl+delete', 'ctrl+d'],
deleteLineBackward: 'cmd+shift?+backspace',
deleteLineForward: ['cmd+shift?+delete', 'ctrl+k'],
deleteWordBackward: 'opt+shift?+backspace',
deleteWordForward: 'opt+shift?+delete',
extendLineBackward: 'opt+shift+up',
extendLineForward: 'opt+shift+down',
redo: 'cmd+shift+z',
transposeCharacter: 'ctrl+t'
};
var WINDOWS_HOTKEYS = {
deleteWordBackward: 'ctrl+shift?+backspace',
deleteWordForward: 'ctrl+shift?+delete',
redo: ['ctrl+y', 'ctrl+shift+z']
};
/**
* Create a platform-aware hotkey checker.
*/
var create = function create(key) {
var generic = HOTKEYS[key];
var apple = APPLE_HOTKEYS[key];
var windows = WINDOWS_HOTKEYS[key];
var isGeneric = generic && lib_1(generic);
var isApple = apple && lib_1(apple);
var isWindows = windows && lib_1(windows);
return function (event) {
if (isGeneric && isGeneric(event)) return true;
if (IS_APPLE && isApple && isApple(event)) return true;
if (!IS_APPLE && isWindows && isWindows(event)) return true;
return false;
};
};
/**
* Hotkeys.
*/
var hotkeys = {
isBold: create('bold'),
isCompose: create('compose'),
isMoveBackward: create('moveBackward'),
isMoveForward: create('moveForward'),
isDeleteBackward: create('deleteBackward'),
isDeleteForward: create('deleteForward'),
isDeleteLineBackward: create('deleteLineBackward'),
isDeleteLineForward: create('deleteLineForward'),
isDeleteWordBackward: create('deleteWordBackward'),
isDeleteWordForward: create('deleteWordForward'),
isExtendBackward: create('extendBackward'),
isExtendForward: create('extendForward'),
isExtendLineBackward: create('extendLineBackward'),
isExtendLineForward: create('extendLineForward'),
isItalic: create('italic'),
isMoveLineBackward: create('moveLineBackward'),
isMoveLineForward: create('moveLineForward'),
isMoveWordBackward: create('moveWordBackward'),
isMoveWordForward: create('moveWordForward'),
isRedo: create('redo'),
isSoftBreak: create('insertSoftBreak'),
isSplitBlock: create('splitBlock'),
isTransposeCharacter: create('transposeCharacter'),
isUndo: create('undo')
};
var objectWithoutPropertiesLoose = createCommonjsModule(function (module) {
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
module.exports = _objectWithoutPropertiesLoose, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(objectWithoutPropertiesLoose);
var objectWithoutProperties = createCommonjsModule(function (module) {
function _objectWithoutProperties(source, excluded) {
if (source == null) return {};
var target = objectWithoutPropertiesLoose(source, excluded);
var key, i;
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
}
return target;
}
module.exports = _objectWithoutProperties, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _objectWithoutProperties = unwrapExports(objectWithoutProperties);
var _excluded = ["anchor", "focus"],
_excluded2 = ["anchor", "focus"];
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
var shallowCompare = function shallowCompare(obj1, obj2) {
return Object.keys(obj1).length === Object.keys(obj2).length && Object.keys(obj1).every(function (key) {
return obj2.hasOwnProperty(key) && obj1[key] === obj2[key];
});
};
var isDecorationFlagsEqual = function isDecorationFlagsEqual(range, other) {
range.anchor;
range.focus;
var rangeOwnProps = _objectWithoutProperties(range, _excluded);
other.anchor;
other.focus;
var otherOwnProps = _objectWithoutProperties(other, _excluded2);
return range[PLACEHOLDER_SYMBOL] === other[PLACEHOLDER_SYMBOL] && shallowCompare(rangeOwnProps, otherOwnProps);
};
/**
* Check if a list of decorator ranges are equal to another.
*
* PERF: this requires the two lists to also have the ranges inside them in the
* same order, but this is an okay constraint for us since decorations are
* kept in order, and the odd case where they aren't is okay to re-render for.
*/
var isElementDecorationsEqual = function isElementDecorationsEqual(list, another) {
if (list === another) {
return true;
}
if (!list || !another) {
return false;
}
if (list.length !== another.length) {
return false;
}
for (var i = 0; i < list.length; i++) {
var range = list[i];
var other = another[i];
if (!slate.Range.equals(range, other) || !isDecorationFlagsEqual(range, other)) {
return false;
}
}
return true;
};
/**
* Check if a list of decorator ranges are equal to another.
*
* PERF: this requires the two lists to also have the ranges inside them in the
* same order, but this is an okay constraint for us since decorations are
* kept in order, and the odd case where they aren't is okay to re-render for.
*/
var isTextDecorationsEqual = function isTextDecorationsEqual(list, another) {
if (list === another) {
return true;
}
if (!list || !another) {
return false;
}
if (list.length !== another.length) {
return false;
}
for (var i = 0; i < list.length; i++) {
var range = list[i];
var other = another[i];
// compare only offsets because paths doesn't matter for text
if (range.anchor.offset !== other.anchor.offset || range.focus.offset !== other.focus.offset || !isDecorationFlagsEqual(range, other)) {
return false;
}
}
return true;
};
/**
* Split and group decorations by each child of a node.
*
* @returns An array with length equal to that of `node.children`. Each index
* corresponds to a child of `node`, and the value is an array of decorations
* for that child.
*/
var splitDecorationsByChild = function splitDecorationsByChild(editor, node, decorations) {
var decorationsByChild = Array.from(node.children, function () {
return [];
});
if (decorations.length === 0) {
return decorationsByChild;
}
var path = DOMEditor.findPath(editor, node);
var level = path.length;
var ancestorRange = slate.Editor.range(editor, path);
var cachedChildRanges = new Array(node.children.length);
var getChildRange = function getChildRange(index) {
var cachedRange = cachedChildRanges[index];
if (cachedRange) return cachedRange;
var childRange = slate.Editor.range(editor, [].concat(_toConsumableArray(path), [index]));
cachedChildRanges[index] = childRange;
return childRange;
};
var _iterator = _createForOfIteratorHelper(decorations),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var decoration = _step.value;
var decorationRange = slate.Range.intersection(ancestorRange, decoration);
if (!decorationRange) continue;
var _Range$edges = slate.Range.edges(decorationRange),
_Range$edges2 = _slicedToArray(_Range$edges, 2),
startPoint = _Range$edges2[0],
endPoint = _Range$edges2[1];
var startIndex = startPoint.path[level];
var endIndex = endPoint.path[level];
for (var i = startIndex; i <= endIndex; i++) {
var ds = decorationsByChild[i];
if (!ds) continue;
var childRange = getChildRange(i);
var childDecorationRange = slate.Range.intersection(childRange, decoration);
if (!childDecorationRange) continue;
ds.push(_objectSpread(_objectSpread({}, decoration), childDecorationRange));
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return decorationsByChild;
};
exports.CAN_USE_DOM = CAN_USE_DOM;
exports.DOMEditor = DOMEditor;
exports.DOMElement = DOMElement;
exports.DOMNode = DOMNode;
exports.DOMRange = DOMRange;
exports.DOMSelection = DOMSelection;
exports.DOMStaticRange = DOMStaticRange;
exports.DOMText = DOMText;
exports.EDITOR_TO_ELEMENT = EDITOR_TO_ELEMENT;
exports.EDITOR_TO_FORCE_RENDER = EDITOR_TO_FORCE_RENDER;
exports.EDITOR_TO_KEY_TO_ELEMENT = EDITOR_TO_KEY_TO_ELEMENT;
exports.EDITOR_TO_ON_CHANGE = EDITOR_TO_ON_CHANGE;
exports.EDITOR_TO_PENDING_ACTION = EDITOR_TO_PENDING_ACTION;
exports.EDITOR_TO_PENDING_DIFFS = EDITOR_TO_PENDING_DIFFS;
exports.EDITOR_TO_PENDING_INSERTION_MARKS = EDITOR_TO_PENDING_INSERTION_MARKS;
exports.EDITOR_TO_PENDING_SELECTION = EDITOR_TO_PENDING_SELECTION;
exports.EDITOR_TO_PLACEHOLDER_ELEMENT = EDITOR_TO_PLACEHOLDER_ELEMENT;
exports.EDITOR_TO_SCHEDULE_FLUSH = EDITOR_TO_SCHEDULE_FLUSH;
exports.EDITOR_TO_USER_MARKS = EDITOR_TO_USER_MARKS;
exports.EDITOR_TO_USER_SELECTION = EDITOR_TO_USER_SELECTION;
exports.EDITOR_TO_WINDOW = EDITOR_TO_WINDOW;
exports.ELEMENT_TO_NODE = ELEMENT_TO_NODE;
exports.HAS_BEFORE_INPUT_SUPPORT = HAS_BEFORE_INPUT_SUPPORT;
exports.Hotkeys = hotkeys;
exports.IS_ANDROID = IS_ANDROID;
exports.IS_CHROME = IS_CHROME;
exports.IS_COMPOSING = IS_COMPOSING;
exports.IS_FIREFOX = IS_FIREFOX;
exports.IS_FIREFOX_LEGACY = IS_FIREFOX_LEGACY;
exports.IS_FOCUSED = IS_FOCUSED;
exports.IS_IOS = IS_IOS;
exports.IS_NODE_MAP_DIRTY = IS_NODE_MAP_DIRTY;
exports.IS_READ_ONLY = IS_READ_ONLY;
exports.IS_UC_MOBILE = IS_UC_MOBILE;
exports.IS_WEBKIT = IS_WEBKIT;
exports.IS_WECHATBROWSER = IS_WECHATBROWSER;
exports.Key = Key;
exports.MARK_PLACEHOLDER_SYMBOL = MARK_PLACEHOLDER_SYMBOL;
exports.NODE_TO_ELEMENT = NODE_TO_ELEMENT;
exports.NODE_TO_INDEX = NODE_TO_INDEX;
exports.NODE_TO_KEY = NODE_TO_KEY;
exports.NODE_TO_PARENT = NODE_TO_PARENT;
exports.PLACEHOLDER_SYMBOL = PLACEHOLDER_SYMBOL;
exports.TRIPLE_CLICK = TRIPLE_CLICK;
exports.applyStringDiff = applyStringDiff;
exports.getActiveElement = getActiveElement;
exports.getDefaultView = getDefaultView;
exports.getSelection = getSelection;
exports.hasShadowRoot = hasShadowRoot;
exports.isAfter = isAfter;
exports.isBefore = isBefore;
exports.isDOMElement = isDOMElement;
exports.isDOMNode = isDOMNode;
exports.isDOMSelection = isDOMSelection;
exports.isElementDecorationsEqual = isElementDecorationsEqual;
exports.isPlainTextOnlyPaste = isPlainTextOnlyPaste;
exports.isTextDecorationsEqual = isTextDecorationsEqual;
exports.isTrackedMutation = isTrackedMutation;
exports.mergeStringDiffs = mergeStringDiffs;
exports.normalizeDOMPoint = normalizeDOMPoint;
exports.normalizePoint = normalizePoint;
exports.normalizeRange = normalizeRange;
exports.normalizeStringDiff = normalizeStringDiff;
exports.splitDecorationsByChild = splitDecorationsByChild;
exports.targetRange = targetRange;
exports.verifyDiffState = verifyDiffState;
exports.withDOM = withDOM;
}));